Radiator cap



June 30, 1925. V 15 4 017 Ci. K. M CORD ET AL V RADIATOR CAP Filed. Aug.10. 1925 INVENT'OR; 'MJMaCordf BYJL'I J'chw 22w 25 ATTORNEYS PatentedJune 30, 1925.

UNITED STATES PATENT GEORGE KETCHUM IJIGCORD AND HORACE HER-MANSCHKVARK, CF FORT WlilRTI-l',

TEXAS.

RADIATOR CAP.

Application filed August 10, 1923. Serial No. 656,646.

To all whom it may concern-:-

Be it known that we, GEORGE KETOHUM MoCoRD and Hermon I-TJERMANSorrwARK, citizens of the United States, and residents of Fort Worth, inthe county of Tar-rant and State of Texas, have invented certain new anduseful Improvements in Radiator Caps, of which the following is a.specification.

This invention relates to radiator caps especially adapted for use onautomobile radiators.

Briefly stated an important object of this invention is to provide aradiator cap having simple means whereby to maintain a flow of airthrough the upper portion of the radiator so as to carry oil the heatand thereby maintain the water in the radiator cool at all times.

A further object is to provide a radiator cap of the character specifiedwhich may be conveniently applied to a radiatorwithout altering theconstruction of the radiator and without marring the appearance ofthesame and which may be cheaply manufactured.

Other objects and advantages will be apparent during the course of thefollowing description.

In the accompanying drawing forming a part of this application and inwhich like numerals are employed to designate like parts throughout thesame,

Figure 1 is a. perspective of the improved radiator cap applied.

Figure 2 is a vertical sectional view through the same, the view alsoillustrating a pair of closures embodied in the invention and which maybe employed in cold weather. In the drawing wherein for the purpose ofillustration is shown a preferred embodiment of the invention thenumeral 5 designates a more or less cylindrical cap, the lower portionof which is effect as indicated at 6 to define an attaching portion 7.The attaching portion 7 is interiorly screw threaded for engagement withthe upstanding portion 8 of a radiator 9 of any desired construction. Itis understood, of course, that the attaching portion 7 is of a size tocorrespond to the size of the upstanding portion 8 of the radiator.

In carrying out the invention the cap 5 is provided in opposite sideswith air inlet and outlet funnels 10 and 11 respectively. The tunnel 10is uniformly enlarged toward its inlet end and may be formed integralwith, or it may be secured in any suitable manner to the cap 5.

Figure 2 illustrates that the portion of the air inlet funnel 10 withinthe cap is eX- tended downwardly in an inclined plane for i directingthe air into the cap and into con tact with'the curved inlet elbow 14 ofthe the outlet funnel ll and the heated air is' discharged to theatmosphere. Figure 2 illustrates that a baffle 16 is extended across thebottom of the elbow l t and an opening 18 is provided in one side of theelbow 1 L forthe admission of the heated air. The baille l6 prevents thesplashing of water through the discharge funnel 14 and it will be seenthat the opening 18 faces one side wall of the cap and in fact it mightbe said to be adjacent the side wall opposite the air inlet funnel 10 sothat the air cannot pass through the cap without first coming intocontact with the water.

As the outlet end of the funnel 10 projects beyond the side wall of thecap and terminates adjacent the center of the cap splashing of waterthrough the funnel 10 is prevented. Also the air moving in the directionindicated by the arrow will prevent water from passing out through thefunnel 10.

In use the cap is applied to the radiator and the constant circulationof air through the cap and the adjacent portion of the radiator isprovided for so that the overheat ing of the radiator and the watertherein is prevented.

In winter the funnels may be closed by caps 23 and 2% so that the waterin the radiator. is prevented from freezing and so that an anti-freezingliquid such as alcohol cannot evaporate rapidly.

Attention is directed to the fact that the funnels 10 and 11 not onlyform air passages but also constitute bars or handholds by means ofwhich the cap may be manually turned so that the same will be securelyheld in place.

It will be seen that a comparatively large volume of airpasses throughthe radiator cap but this air does'not in anyway agitate the water inthe neck of the radiator. For this reason the air which is dischargedfrom the device is not laden with an excessive amount of vapor whichwould condense on the hood of the automobile and on the windshield. Bypassing a comparatively large volume of air through the cap withoutagitating the water the heat extracted from the radiator by the air willbe taken up by the air, but the air which is discharged from the capwill remain comparatively dry. If

the water were agitated by the airthe air discharged from the devicewould carry with it a rather high percentage of water vapor.

Having thus described the invention, what is claimed is 1. A radiatorcap comprisinga body having means whereby the same may be secured to theneck of a radiator, and an air inlet funnel securedto said-bodyand-having a discharge end terminating adjacent the center of thebody,there being an outlet mem-' ber arranged in the path oftravel of the airentering the body whereby the force of the air is broken and whereby theair is prevented'from agitating the water in the radiator cap.

2. A radiator cap comprising a body having means whereby the same may besecured to a radiator, an air inlet funnel secured to said body andhaving a discharge end terminating adjacent the center of the body, andan air outlet funnel secured to said body and having an inlet elbowarranged adjacent the discharge end of the air inlet funnel and arrangedin the patlr of travel of the air from the funnel to break the force ofthe air entering the body. v 3. A radiator cap having oppositelyarranged air inlet and air outlet funnels flared toward their outerends, said air outlet funnel being provided with a discharge elbowextending. downwardly and having an opening in the side thereof, saidair inlet funnel terminating adjacent the center of the body anddischargingthe air onto said elbow, said funnels constituting attachingarms, and a baflle secured to the lower portionol said elbow andarranged in an approximately horizontal position. i

et. A radiator cap having oppositely arranged air inlet and air outletfunnels flared toward their outer ends, said air outlet fun.-

nel being provided with a discharge elbow extending ClOWIlWflFClllY andhaving an opening in the side thereof, said air-inlet funnel terminatingadjacent the center of the body and discharging the air onto said elbowwhereby the force of the air. is broken by said elbow, said funnelsconstituting attaching'arms, and a battle secured to the lower portionof said elbow and arranged-in an approximately horizontal position, andclosures for said funnels.

GEORGE KETGHUM MCooRn HORACE HERMAN SCHWABK.

